IP Library Assignment 022977/0957
Patent Assignment
Reel/Frame 022977/0957

Assignment of Assignor's Interest

Recorded: 2009-07-17 Pages: 4
Assignors
POHL, FRITZ
Executed: 2009-05-25
BULAN, ANDREAS
Executed: 2009-05-12
WEBER, RAINER
Executed: 2009-05-12
ADAMSON, RICHARD
Executed: 2009-05-20
BOHM, MATTHIAS
Executed: 2009-05-20
SIX, CHRISTIAN
Executed: 2009-04-23
Assignee
BAYER MATERIALSCIENCE AG
PATENTS & LICENSING, BUILDING Q 18, LEVERKUSEN, 51368, GERMANY
Covered Property (1)
Process for Preparing Methylenediphenyl Diisocyanates
Patent: 8,318,971 →
Application: 12/394,149 →
Publication: US 2009/0240076
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Mar 30, 2016
From: BAYER MATERIALSCIENCE AG
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 038399/0469 →